Cycles vs Letta
Side-by-Side
Cycles
7.8/10
- Tagline
- An open-source runtime that stops agent cost runaways and risky actions before they happen
- Rating
- 7.8/10
- Pricing Model
- open-source
- Starting Price
- Free
- Free Version
- Yes
- Free Trial
- No
- API Available
- No
- API Pricing
- —
- CLI Support
- No
- MCP Support
- Yes
- Open Source
- Yes
- Platforms
- Linux, macOS, Windows
- Category
- ai-agents
Letta
9.2/10
- Tagline
- Machines that learn
- Rating
- 9.2/10
- Pricing Model
- freemium
- Starting Price
- $20/mo
- Free Version
- Yes
- Free Trial
- No
- API Available
- Yes
- API Pricing
- pay-as-you-go
- CLI Support
- Yes
- MCP Support
- Yes
- Open Source
- Yes
- Platforms
- Web, Linux, macOS
- Category
- ai-agents
| Feature | CCycles | LLetta |
|---|---|---|
| Tagline | An open-source runtime that stops agent cost runaways and risky actions before they happen | Machines that learn |
| Rating | 7.8/10 | 9.2/10 |
| Pricing Model | open-source | freemium |
| Starting Price | Free | $20/mo |
| Free Version | Yes | Yes |
| Free Trial | No | No |
| API Available | No | Yes |
| API Pricing | — | pay-as-you-go |
| CLI Support | No | Yes |
| MCP Support | Yes | Yes |
| Open Source | Yes | Yes |
| Platforms | Linux, macOS, Windows | Web, Linux, macOS |
| Category | ai-agents | ai-agents |
| Visit | Visit Cycles → | Visit Letta → |
This is an automated comparison. We haven't written an editorial verdict yet. For deeper analysis, see each tool's individual review: Cycles and Letta.